Home / 11,127.78-16,693.11-4,112.73

Finding the Fourth Proportional to 11,127.78, 16,693.11 and 4,112.73

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Solution

The fourth proportional to 11,127.78, 16,693.11 and 4,112.73 is: 6,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.78 : 16,693.11 = 4,112.73 : x
  2. Step 2: Convert to fraction form
    11,127.78/16,693.11 = 4,112.73/x
  3. Step 3: Cross multiply
    11,127.78x = 16,693.11 × 4,112.73
  4. Step 4: Simplify right side
    11,127.78x = 68,654,254.29
  5. Step 5: Solve for x
    x = 68,654,254.29/11,127.78
  6. Step 6: Final answer
    x = 6,169.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.